*{
    margin: 0;
    padding: 0;
}
.back{
     background-color: #0894e1; 
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
 
}
.nav{
    height: 740px;
    width: 580px;
     background-color: #f8f8f8; 
    margin-left: auto;
    margin-right: auto;
    margin-top: 170px;
    border-radius: 1%;
    border: 8px solid #88ccf1;
}
 img{
    width: 280px;
    height: 60px;
    float: left;
    margin-left: 150px;
    margin-top: 30px;
}
.nav1{
    height: 140px;
}
.enroll{
    height: 40px;
    width: 240px;
    margin-left: 50px;
}
.enroll1{
    float: left;
    width: 120px;
    height: 40px;
    background-color:#ffffff;
    text-align: center;
    line-height: 40px;
    border-radius: 1%;
}
.enroll2{
    float: left;
    width: 120px;
    height: 40px;
    background-color:  #eeeeee;
    text-align: center;
    line-height: 40px;
    border-radius: 1%;
}
a{
    text-decoration: none;
    
}
.zi1{
    color: #343434; 
}
.zi2{
    color: #3a8ee4;
}
.lo{
    width: 380px;
    height: 35px;
    margin-top: 30px;
    margin-left: 40px;
    background-image: url("../imges/yonghuming.jpg");
    background-size: 25px 30px;
    padding-left: 30px;
    background-repeat: no-repeat;
    background-position: 3px 3px;
}
.tet{
     width: 480px;
     height: 510px;
     background-color: #ffffff;
     margin-left: 50px;
    border-radius: 1%;
}
input{border-radius: 3%;}
.lo2{
    width: 380px;
    height: 35px;
    margin-top: 30px;
    margin-left: 40px;
    background-image: url("../imges/yonghuming1.jpg");
    background-size: 25px 30px;
    padding-left: 30px;
    background-repeat: no-repeat;
    background-position: 3px 3px;
}
.lo1{
    width: 380px;
    height: 35px;
    margin-top: 40px;
    margin-left: 40px;
    background-image: url("../imges/yonghuming3.jpg");
    background-size: 25px 30px;
    padding-left: 30px;
    background-repeat: no-repeat;
    background-position: 3px 3px;
}
.lo3{
    width: 240px;
    height: 35px;
    margin-top: 30px;
    margin-left: 40px;
    float: left;
    background-image: url("../imges/yonghuming2.jpg");
    background-size: 25px 30px;
    padding-left: 30px;
    background-repeat: no-repeat;
    background-position: 3px 3px;
    
}
.lo4{
    background-color: #0894e1;
    width: 130px;
    height: 35px;
    color: #ffffff;
    float: left;
    margin-top: 30px;
    margin-left: 10px;
   
}
.box{
    height: 370px;
}
.lo5{
    width: 15px;
    height: 15px;
    margin-left: 45px;
    float: left;
    margin-right: 10px;
}
.ml{
    font-size: 16px;
    color: #16a2ff;
}
.p{
    float: left;
}
.box1{
    height: 40px;
}
.lo6{
    width: 400px;
    height: 40px;
    color: #15aafc;
}
.box2{
    margin-left: 50px;
}
.ko{
    color:  #16a2ff;
}
.box3{
    margin-left: 180px;
    margin-top: 10px;
}

.box4{
    width: 800px;
    margin: 160px auto;
    color: #ffffff;
}



